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Finding the Third Proportional to 55,808 and 131,717

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Solution

The third proportional to 55,808 and 131,717 is: 310,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,808 : 131,717 = 131,717 : x
  2. Step 2: Convert to fraction form
    55,808/131,717 = 131,717/x
  3. Step 3: Cross multiply
    55,808x = 131,717 × 131,717
  4. Step 4: Simplify right side
    55,808x = 17,349,368,089
  5. Step 5: Solve for x
    x = 17,349,368,089/55,808
  6. Step 6: Final answer
    x = 310,876.01

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.